Technical Terms - Hardware (A-Z) - DRAM

What does DRAM stand for?

• Dynamic Random Access Memory

• Digital Random Access Memory

• Distributed Random Access Memory

• Direct Random Access Memory

What type of memory is DRAM?

• Volatile memory

• Non-volatile memory

• Register memory

• Cache memory

What is the main system RAM in most computers, smartphones, and tablets?

• DRAM

• SRAM

• ROM

• Flash memory

How does DRAM store data more densely?

• By using magnetic storage

• By using memory cells containing tiny electrical capacitors

• By compressing data

• By using optical storage

Why must a DRAM chip constantly refresh its contents?

• To improve power efficiency

• To increase data transfer rates

• To reduce manufacturing costs

• To maintain each capacitor's charge

What does a memory cell in a DRAM chip consist of?

• Capacitor and transistor

• Resistor and diode

• Inductor and capacitor

• Transistor and resistor

What is the value of a bit in binary data if a memory cell's capacitor carries an electric charge?

• 2

• 1

• 0

• 3

What is used to maintain each cell's contents in a DRAM chip?

• Memory refresh circuit

• Graphics card

• Cooling system

• Power supply unit

How long can a single DRAM memory cell hold its charge?

• Up to 50 milliseconds

• Up to 200 milliseconds

• Up to 100 milliseconds

• Up to 64 milliseconds

Where is DRAM technology used other than in computers?

• Watches, calculators, alarm clocks, radios

• Cars, airplanes, ships, trains

• Microwaves, refrigerators, washing machines, TVs

• Networking equipment, digital cameras, printers, gaming consoles